3907480
Nut
Cummins®

Introduction

The Cummins 3907480 Nut is a specialized component designed for use in commercial trucks. It plays a role in the fastening systems of these vehicles, ensuring that critical components remain securely attached under various operating conditions.

Basic Concepts of Nuts in Automotive Applications

A nut is a type of fastener with a threaded hole. It is designed to be paired with a bolt or screw of matching thread size and pitch to create a secure connection. Nuts interact with bolts by threading onto them, which allows for the clamping of two or more components together. This mechanism is fundamental in automotive applications, where secure fastening is important for safety and performance ¹.

Purpose of the 3907480 Nut

This Cummins part is specifically engineered to play a role in the fastening systems of commercial trucks. It is used in various applications where secure and reliable fastening is required. This nut helps in securing components such as engine parts, chassis elements, and other critical assemblies, contributing to the overall structural integrity and performance of the truck ².

Key Features

The 3907480 Nut is characterized by several key features that enhance its performance. It is made from high-quality materials, typically steel alloys, which provide excellent strength and durability. The nut features a specific thread type that matches the bolts it is designed to pair with, ensuring a precise and secure fit. Additionally, it may include special design elements such as locking mechanisms to prevent loosening under vibration and dynamic loads ³.

Benefits

This part offers several benefits that make it suitable for demanding applications. Its durable material composition ensures long-lasting performance, while its design provides resistance to corrosion, which is particularly important in harsh operating environments. The nut’s reliability under high-stress conditions contributes to the safety and efficiency of commercial trucks.

Installation Guidelines

Proper installation of the 3907480 Nut is crucial for ensuring secure fastening. The following guidelines should be followed:

1. Ensure the mating surfaces are clean and free of debris.
2. Align the nut with the corresponding bolt or screw.
3. Thread the nut onto the bolt by hand to avoid cross-threading.
4. Use a torque wrench to tighten the nut to the specified torque setting, which can be found in the vehicle’s service manual.
5. Double-check the tightness of the nut after some operational use to ensure it has not loosened.

Troubleshooting Common Issues

Common issues with the 3907480 Nut may include loosening or damage. To address these problems:

1. Inspect the nut and bolt for signs of wear or damage.
2. If loosening is detected, re-tighten the nut to the specified torque setting.
3. If damage is present, replace the nut and bolt as necessary.
4. Consider using lock washers or thread locker compounds to prevent future loosening.

Maintenance Tips

Regular maintenance of the 3907480 Nut is important to ensure continued reliability. Recommendations include:

1. Inspect the nut during routine maintenance checks for signs of wear or corrosion.
2. Clean the nut and surrounding areas to remove any buildup of dirt or grime.
3. Replace the nut if significant wear or damage is observed, or if it no longer meets the required torque specifications.

Compatibility and Applications

The 3907480 Nut is designed for use in Cummins engines and various commercial truck components. Its versatility makes it suitable for a range of applications where secure fastening is required.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a commitment to quality, Cummins provides reliable solutions for commercial vehicles, contributing to the efficiency and performance of the automotive industry.

Role of Part 3907480 Nut in Fuel Solenoid Kit

The 3907480 Nut is integral to the assembly and functionality of the Fuel Solenoid Kit. Within this kit, the nut secures the solenoid to the fuel system, ensuring a tight and reliable connection. This connection is important for the precise control of fuel delivery to the engine.

In the context of the Fuel Solenoid Kit, the nut performs several important functions:

• Secures Connections: It fastens the solenoid to the fuel line and other components, preventing leaks and ensuring consistent fuel flow.
• Maintains Alignment: By holding the solenoid in the correct position, it allows for accurate operation of the solenoid plunger, which controls fuel delivery.
• Ensures Stability: The nut contributes to the overall structural integrity of the fuel solenoid assembly, withstanding vibrations and mechanical stresses during engine operation.

Proper installation and torque specification of the 3907480 Nut are necessary to maintain the efficiency and reliability of the fuel solenoid system.

Conclusion

The Cummins 3907480 Nut is a critical component in the fastening systems of commercial trucks, offering durability, corrosion resistance, and reliability under high-stress conditions. Proper installation, maintenance, and understanding of its role in various applications ensure the continued performance and safety of these vehicles.